operationistn.【哲】实演主义者operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学Operation Fault运行故障operation costs运营成本operation stage运营阶段operation skill操作技能Operation class运行等级operation coach营运客车Operation style术式选择operation field操作字段, 指令字段, 操字段operation video手术视频operation blank操作空格